1. Add vegetable stock or water to medium saucepan.
2. Bring vegetable stock or water to a boil over medium-high heat.
3. Stir in quinoa, salt, and pepper.
4. Switch heat to low and cover pot with lid.
5. Cook until water is evaporated and quinoa is tender, about 15 minutes.
6. Remove lid and stir in veggies with a fork.
7. Place lid back on quinoa so that the heat from the quinoa cooks the vegetables.
8. Serve immediately or place into an airtight container and refrigerate for up to 5 days.